2013 Open 13 – Singles

Juan Martín del Potro was the defending champion, but lost to Gilles Simon in the quarterfinals. Jo-Wilfried Tsonga won the title, defeating Tomáš Berdych in the final, 3–6, 7–6(8–6), 6–4.

Seeds
The top four seeds receive a bye into the second round. • # 🇨🇿 Tomáš Berdych (final)

• # 🇦🇷 Juan Martín del Potro (quarterfinals)

• # 🇫🇷 Jo-Wilfried Tsonga (champion)

• # 🇷🇸 Janko Tipsarević (second round)

• # 🇫🇷 Richard Gasquet (first round)

• # 🇫🇷 Gilles Simon (semifinals)

• # 🇵🇱 Jerzy Janowicz (quarterfinals)

• # 🇸🇰 Martin Kližan (first round)

Seeds
• # 🇫🇷 Édouard Roger-Vasselin (qualified)

• # 🇺🇦 Sergiy Stakhovsky (qualified)

• # 🇫🇷 Josselin Ouanna (first round)

• # 🇷🇺 Dmitry Tursunov (qualified)

• # 🇧🇪 Maxime Authom (first round)

• # 🇰🇿 Mikhail Kukushkin (first round)

• # 🇫🇷 Adrian Mannarino (first round)

• # 🇨🇿 Jan Mertl (qualifying competition)

Qualifiers
• # 🇫🇷 Édouard Roger-Vasselin

• # 🇺🇦 Sergiy Stakhovsky

• # 🇷🇸 Filip Krajinović

• # 🇷🇺 Dmitry Tursunov